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16294729
3D Coordinate Systems Quiz
Description
Quiz self on 3D coordinate systems and the 3D distance formula.
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Quiz by Deleted user, updated more than 1 year ago
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Darren Hunt
over 5 years ago
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Darren Hunt
over 5 years ago
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Resource summary
Question 1
Question
Find the distance between (1,2,3) and (7,8,9).
Answer
108
sqrt(108)
308
sqrt(308)
Question 2
Question
What is the correct equation for a sphere? Select all that apply.
Answer
(x-x0)^2+(y-y0^2)+(z-z0)^2=r^2
sqrt((x1-x0)^2+(y1-y0)^2+z1-z0)^2)=r
sqrt((x1-x0)^2+(y1-y0)^2)=r
(x-x0)^2+(y-y0^2)=r^2
Question 3
Question
The distance of (-4,-8,7) to the xz-plane is 7.
Answer
True
False
Question 4
Question
Describe the surface where x^2+y^2+z^2=2x-6y+15.
Answer
Sphere, radius sqrt(15), centered at (2,-6,0)
Cylinder, radius sqrt(15), centered at (-2,6,0)
Cylinder, radius 5, centered at (1,-3,0)
Sphere, radius 5, centered at (1,-3,0)
Question 5
Question
What is the equation of the graph pictured?
Image:
Coordsys5 (binary/octet-stream)
Answer
z=e^y
x=e^y
z=sqrt(y)
x=sqrt(y)
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